You can get support on the github page. (please check the wiki first)
You can ask questions on the discussion area. (please check the wiki first)
You can get help and tutorials on the QuestCreator wiki page.
The config files are located in /plugins/PyrCore/.

Before reporting issues, make sure you have all the requirements needed, and that the issue is actually caused by the plugin.

This plugin is basically a copy of QuestCreator with some major features removed. Consider it as some kind of demo version with the basic features available.
This plugin will not be updated very often.